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An instrument used to collect a sample from a population. Surveying often refers to sampling of human populations and is primarily done by administering questionnaires or interviewing individuals.

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How do you interpret the Cliff's delta & 95% Confidence Interval (2−tailed) graph?

I've recently just completed a cliff's delta on a data set containing ordinal data (Strongly disagree to strongly agree), and have graphed the results. I'm just a little wary over how to exactly in …
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